The sonic time and sonic amplitude of the ultrasonic wave and the multi - parameter synthetic analysis analysis method of PSD criterion to examine the quality of pile body, overcomes the defects of the single parameter method which enables erroneous result.
采用超声波的声时、声幅以及ＰＳＤ判据多参数综合分析法，判断基桩的桩身质量，克服了单一参数易造成误判的缺点，提高了桩身质量评价的准确性。
Is presented an amplitude weighted least squares estimation of sample frequency offset in MIMO-OFDM systems.
分析了采样钟频率偏移对MIMO-OFDM系统接收信号的影响,提出了一种适用于MIMO-OFDM系统的采样钟频率偏移估计算法,即幅度加权最小平方估计法。
It was obtained through the theoretical calculation that the minimum detection limit of amplitude was 0.
得出了在直接光强检测方式下表面微波的最小可探测幅度值,并且分析了最小可探测幅度值分别和探测高度、接收孔径的关系。
Noise immunity is the maximum amplitude of noise.
抗扰度是最大的噪声幅值。
Analysis of Influencing Factors of Cement Evaluation Based on the CBL-VDL Logging Data.
固井声幅-变密度测井的影响因素分析
series noise-peak limiter
串联噪声峰值限幅器
increases amplitude of reproduced sound.
增加再现声音的振幅。
The Change of Acoustic Stapedius Reflex Amplitude with the Stimulation of the Wide Band Noise in Sound Field
声场下噪声刺激对镫骨肌声反射幅值的影响
FM/AM stereo cassette receiver
调频调幅立体声收录音机
Sound waves are measured by their amplitude.
声波是根据其振幅来测量的.
The Influence of Aging on Distortion-product Otoacoustic Emissions Amplitudes in Humans;
年龄对畸变产物耳声发射幅值的影响
Design and Finite Element Analysis of Ultrasonic Amplitude Transformer Horn;
超声变幅杆的参数计算及有限元分析
Speech Coding Based on Instantaneous Amplitude Plus Noise Model
基于瞬时幅度加噪声模型的语音压缩
Design of 2.0～2.4 GHz limited LNA
2.0～2.4GHz限幅低噪声放大器设计
Finite element analysis and experimental investigations for exponential type ultrasonic horn
指数型超声变幅杆有限元分析与试验
Design of the Vibration System of Ultrasonic Gear Honing
超声珩齿的变幅杆设计与有限元分析
Design of Amplitude Bar for New-type Medical Ultrasonic Debridement Instrument
一种新型医用清创超声波变幅杆设计
The Optimum Design of the Ultrasonic Horn and the Analysis of the Acoustical Characteristic;
超声变幅杆的优化设计及声学特性分析
A new type of compound ultrasonic horns used in sonochemistry
一种适用于声化学的新型复合超声变幅杆
A knock at the door drove away Sarah's dreams of that happy day.
一阵敲门声把萨拉从那个幸幅日子的梦中惊醒。
I should( also) point out( that) an AM-FM stereo radio is included.
我还想指出，(上)有调幅-调频立体声收音机。